Patents by Inventor Osamaru MATSUO

Osamaru MATSUO has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10428187
    Abstract: Provided is a method for producing a mixture, comprising a mixing step for mixing a slurry prepared by dispersing a filler containing carbon black and a rubber liquid prepared by dispersing or the like a rubber component. In the above producing method, the carbon black contained in the slurry has a surface average acidic functional group amount (?eq/m2) of 0.40 or more and less than 3.
    Type: Grant
    Filed: March 18, 2016
    Date of Patent: October 1, 2019
    Assignee: BRIDGESTONE CORPORATION
    Inventors: Yasuto Yanagisawa, Yukari Kanda, Shigenobu Waragai, Osamaru Matsuo
  • Publication number: 20180079873
    Abstract: Provided is a method for producing a mixture, comprising a mixing step for mixing a slurry prepared by dispersing a filler containing carbon black and a rubber liquid prepared by dispersing or the like a rubber component. In the above producing method, the carbon black contained in the slurry has a surface average acidic functional group amount (?eq/m2) of 0.40 or more and less than 3.
    Type: Application
    Filed: March 18, 2016
    Publication date: March 22, 2018
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Yasuto YANAGISAWA, Yukari KANDA, Shigenobu WARAGAI, Osamaru MATSUO